CB780E/CB784E RELAY MODULES WITH VALVE PROVING
32-00150—03 22 750-234
10. Enter the appropriate Valve Proving test time from
the worksheet in the appendix.
Use the (+) button to increase time and the (-) button to
decrease. Time changes:
a. 0 to 60 seconds in 1-second intervals.
b. 60 to 600 seconds in 10-second intervals.
c. 10 to 60 minutes in 1-minute intervals.
Press ENTER when correct time is displayed.
Fig. 27. Save Changes screen.
Fig. 28. Select/Restart screen.
11. Press down arrow to select.
12. “Getting Data” will be momentarily displayed, fol-
lowed by the screen shown in Fig. 24.
Changing the Installed Postpurge
Fig. 29. Setting Postpurge time.
This screen allows for setting up the Postpurge for the
CB780E/CB784E. This will be the time that the
Combustion Fan (terminal 5) will remain energized after
the demand ends.
NOTE: The device comes standard with 15-second Post-
purge.
13. Use the +/- buttons to adjust the postpurge time.
Time changes:
0 to 60 seconds in 1-second intervals.
60 to 600 seconds in 10-second intervals.
10 to 60 minutes in 1-minute intervals.
14. Press Enter (Left/Right arrow keys simultaneously)
when the correct postpurge time is displayed.
Fig. 30. Save Changes screen.
15. Use the down arrow to save changes. “Getting Data”
is displayed momentarily.
The following steps are to confirm your selections.
Fig. 31. Confirmation Acknowledgement screen. (The
Valve Proving Test location is shown.)
16. Press ENTER.
Fig. 32. Confirmation Correct screen.
=Save changes
=Restart
M22665C
BACK
ENTER
Edit:
-+
=Select
=Restart
M22764C
BACK
ENTER
Edit:
-+
M22668A
BACK
ENTER
Edit:
-+
SETUP:Postpurge
±PostTime: 00:30
SU
=Save changes
=Restart
M22665C
BACK
ENTER
Edit:
-+
CONFIRM:ValvProve
±VP When: BEFORE ?
M22670C
SC
BACK
ENTER
Edit:
-+
=Confirm correct
=Incorrect
M22671C
BACK
ENTER
Edit:
-+